The main impacts of climate change - changing weather patterns, melting glaciers, sea level rise - are well known. But its ability to reduce oxygen levels in the deep ocean is little reported...more...

After 10 years as a park ranger, Sean Willmore packed up his life and took to the road to record the experiences of his fellow rangers around the globe. The result is a revealing and inspiring documentarymore...

As the melting Arctic ice cap opens a new ocean to the world, governments and private speculators are rushing to cash in on lucrative resource deposits and shipping lanes. But they may find these virgin waters a dangerous place to do business…more...